| 燃气-蒸汽联合循环的低热值燃料热经济性分析 |
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| 引用本文： | 孙科,徐迎超,蒋孝科,曹子栋. 燃气-蒸汽联合循环的低热值燃料热经济性分析[J]. 锅炉技术, 2007, 38(1): 5-7,20 |
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| 作者姓名： | 孙科 徐迎超 蒋孝科 曹子栋 |
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| 作者单位： | 西安交通大学,热能工程系,陕西,西安,710049;西安交通大学,热能工程系,陕西,西安,710049;西安交通大学,热能工程系,陕西,西安,710049;西安交通大学,热能工程系,陕西,西安,710049 |
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| 摘 要： | 由于低热值气体燃料中含有大量惰性气体,可燃成分少,发热量低,燃料的体积流量大,因而在燃用低热值气体燃料时,燃气-蒸汽联合循环的特性也发生了变化.分析了压缩比、燃气初温、不同燃料成分对联合循环发电装置热效率的影响;阐述了不同燃料成分时压缩燃料耗功的变化,以及对燃气-蒸汽联合循环装置热效率的影响.对比分析了燃气-蒸汽联合循环与蒸汽循环装置的经济性.
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| 关 键 词： | 低热值燃料 燃气-蒸汽联合循环 蒸汽轮机循环 经济性 |
| 文章编号： | CN31-1508(2007)01-0005-03 |
| 修稿时间： | 2006-07-14 |
The Thermal Efficiency Analysis of Low Heat Value Fuel in the Gas-steam Combined Cycle Installation |
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| SUN Ke,XU Ying-chao,JIANG Xiao-ke,CAO Zi-dong. The Thermal Efficiency Analysis of Low Heat Value Fuel in the Gas-steam Combined Cycle Installation[J]. Boiler Technology, 2007, 38(1): 5-7,20 |
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| Authors: | SUN Ke XU Ying-chao JIANG Xiao-ke CAO Zi-dong |
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| Abstract: | Low heat value fuel includes more inert gas.less combustible element,lower calorific value,higher volume flow of fuel.Thus result in different characteristics of gas-steam combined cycle.The paper analyzes influence factors of thermal efficiency of gas-steam combined cycle installation,which is compression ratio,inlet temperature and different element of fuel.It is illuminated that the relation of compression fuel power and the thermal efficiency of gas-steam combined cycle installation with using different component of fuel.The paper compares the economy of gas-steam combined cycle with the economy of steam turbine cycle. |
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| Keywords: | low heat value fuel gas-steam combined cycle steam turbine economy |
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